1799123 has 2 divisors, whose sum is σ = 1799124. Its totient is φ = 1799122.

The previous prime is 1799117. The next prime is 1799137. The reversal of 1799123 is 3219971.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1799123 - 2⁴ = 1799107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1799123.

It is not a weakly prime, because it can be changed into another prime (1799153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 899561 + 899562.

It is an arithmetic number, because the mean of its divisors is an integer number (899562).

2^1799123 is an apocalyptic number.

1799123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1799123 is an equidigital number, since it uses as much as digits as its factorization.

1799123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3402, while the sum is 32.

The square root of 1799123 is about 1341.3139080767. The cubic root of 1799123 is about 121.6242808089.

The spelling of 1799123 in words is "one million, seven hundred ninety-nine thousand, one hundred twenty-three".